AC SERIES

15 through 350 SCFM: AC Series sets a new standard in air compressors with sophisticated high-efficiency performance, quiet dependable operation and low maintenance. Featuring quiet {as low as 66 dB(A)} cabinet enclosures, electronic controllers, energy saving soft-start Wye-Delta motor starters, premium efficiency TEFC motors, air-cooled aftercoolers and optional integrated refrigerated air dryers, to deliver unbeatable performance and energy savings.

GET MORE FOR LESS
Featuring our most advanced airend designs, AC Series must be compared on an SCFM basis – not based on HP. Why? AC

Series produces more SCFM per HP than typical rotary screw air compressors. So, to do a fair comparison you usually need

to select the next smaller size. In fact, it is not uncommon to select a smaller HP AC Series model to meet your air demands.

For example, say you need about 130 SCFM. MATTEI can offer you our traditional 30 HP ERC Series model (129 scfm) or, we

can offer you our 25 HP AC Series rated at 130 SCFM. Each produces about the same volume of air, but that 5 HP difference saves you money the moment you turn it on, month-after-month, year-after-year.

Mattei is friendly to your wallet and the environment, too. Each unit holds very little lubricant (typically less than half that of a rotary screw air compressor) which saves you a small fortune on oil changes and disposal costs. The oil filter is cleanable –

 yes, cleanable. The highly efficient mechanical air/oil separation chamber delivers high quality air to the air/oil separator filter thus, it sees very little lubricant and provides up to 10,000 hours of service, and low 1-3 ppm oil carryover.

Available in 200,230,460v/3Ph/60Hz, (5 HP, 7.5 HP also in 230v/1Ph/60Hz).

AC SERIES STANDARD FEATURES:

ENERGY CONSUMPTION
Thanks to the thoroughness these compressors were designed with, the energy consumption per kW/100 CFM is among the lowest in the industry. The regulation system is continuous and automatic with off-load operation and allows a very economic

adaptation to the installation demands.

RELIABILITY

These compressors are designed for industrial use 24 hours a day and 12 months a year at constant pressure. Mattei compressors' running often exceeds 100,000 working hours, as evidenced by our Revolutionary 10 Year Warranty.

INCREDIBLY QUIET
AC Series compressors are cabinet enclosed machines that operate at a constant 1,800 rpm and deliver sound levels as low

as 66 dB (A).

BEARINGLESS AIRENDS
Much like the connecting rods on your engines crankshaft, the heart of the Mattei rotor stator unit (RSU) is the rotor which is simply supported by two (2) white metal Babbitt bushings that routinely deliver >100,000 hours of life. Screw type compressors use up to six (6) radial and thrust bearings engineered for only 50,000 hours (ASME B-10) of life.

AIR QUALITY
The exclusive three-stage oil separating system guarantees a maximum oil carry-over in the air lower than 3 ppm. Moreover, the air cooled aftercooler ensure approach temperatures of 18°F or less.

HIGH EFFICIENCY MOTOR
High efficiency totally enclosed fan cooled (TEFC) electric motors is standard on AC Series

DIRECT COUPLING
This is obtained with a flexible coupling between motor and compressor, without any need for belts. It is without gears or roller bearings needing maintenance.

MOTOR STARTER
Energy saving wye delta motor starters is standard on AC Series

AIR TREATMENT
Air cooled aftercooler with 18°F approach temperature. Moisture separator with automatic drain valve is optional on AC Series.

MAINTENANCE
Maintenance operations only include changing the oil at predetermined intervals, cleaning or replacing the air filter and cleaning the radiator. Benefit from half the oil volume of rotary screw types, and oil separating filters that can reach 10,000 working hours, for significant savings over the life of the machine.

CAPACITY CONTROLS ADAPT TO YOUR DEMANDS
The layout and design of every air system is different. Thus, Mattei provides a variety of control schemes as standard to better adapt to the demands and dynamics of your system, to save energy and prevent short-cycling and ambient oil misting problems created by inflexible control schemes and underutilized compressors.

MODULATION OPERATING MODE AT CONSTANT PRESSURE
Thanks to a modulating proportional intake valve that supplies air at constant pressure, these compressors can even work without air receivers. This method automatically adapts to system demands and is ideal for applications with little storage or continuous high air demands.

AUTOMATIC ON LOAD / OFF LOAD
Load/Off Load maintains line pressure within a minimum/maximum pressure range, and the compressor may stop and restart according to air demand. Ideal for applications with adequate air storage tanks or large variations in air demand.

COMBINED ON/OFF LOAD AND MODULATION REGULATION
This regulation allows Mattei compressors to modulate within a set pressure range (for example, ± 4-5 psi). Should the air demand decrease, the compressor will off-load and stop, with evident energy savings. Ideal for applications with little storage and large variations in demand.

ELECTRONIC CONTROLLERS
Models 20 HP and larger is equipped with an exclusive state-of-the art computerized controller, Maestro. Models to 15 HP is equipped with the Micromat computerized controller.

Maestro, automatically controls, monitors and programs the unit's operation, and has an option to connect to a PC for a remote control. If connected to other compressed air packages equipped with Maestro, the unit can become master of a compressed air plant, thus saving on the installation of a superior controller. Maestro can be interfaced via web or cellular technology to provide remote service monitoring.